Cash Equivalents And Restricted Cash And Securities (Tables)

6 Months Ended

Jun. 30, 2014

Cash Equivalents And Restricted Cash And Securities [Abstract]

Summary Of Cash Equivalents And Marketable Securities

			Unrealized		Estimated
			Holding		Market
June 30, 2014	Cost Basis		Gains		Value
Cash equivalents:
Money market funds	$	892	$	--	$	892
U.S. Treasury debt securities		22,000		--		22,000
Restricted cash and securities:
Cash		5,000		--		5,000
Money market funds		973		--		973
				Unrealized		Estimated
				Holding		Market
December 31, 2013		Cost Basis		Gains		Value
Cash equivalents:
Money market funds	$	5,349	$	--	$	5,349
Certificates of deposit		749		--		749
Restricted cash and securities:
Cash		5,000		--		5,000
Money market funds		350		--		350